Class NOPLogger

slf4j-api/src/main/java/org/slf4j/helpers/NOPLogger.java:35–427

A direct NOP (no operation) implementation of Logger. @author Ceki Gülcü

 * @author Ceki Gülcü
 */
public class NOPLogger extends NamedLoggerBase implements Logger {

    private static final long serialVersionUID = -517220405410904473L;

    /**
     * The unique instance of NOPLogger.
     */
    public static final NOPLogger NOP_LOGGER = new NOPLogger();

    /**
     * There is no point in creating multiple instances of NOPLogger. 
     * 
     * The present constructor should be "private" but we are leaving it as "protected" for compatibility.
     */
    protected NOPLogger() {
    }

    /**
     * Always returns the string value "NOP".
     */
    @Override
    public String getName() {
        return "NOP";
    }

    /**
     * Always returns false.
     * @return always false
     */
    @Override
    final public boolean isTraceEnabled() {
        return false;
    }

    /** A NOP implementation. */
    @Override
    final public void trace(String msg) {
        // NOP
    }

    /** A NOP implementation.  */
    @Override
    final public void trace(String format, Object arg) {
        // NOP
    }

    /** A NOP implementation.  */
    @Override
    public final void trace(String format, Object arg1, Object arg2) {
        // NOP
    }

    /** A NOP implementation.  */
    @Override
    public final void trace(String format, Object... argArray) {
        // NOP
    }